大型立式圆筒形储罐的结构设计及焊接工艺设计毕业论文设计.doc

Q235储罐毕业设计 [ 作 者：刘侨 系 别：机电工程系 班 级：焊接1201 学 院：四川建筑职业技术学院 内 容 摘 要 油品和各种液体化学品的储存设备 — 储罐，是石油化工装置和储运系统设施的重要组成部分。近几十年来，发展了各种形式的储罐，但最常用的还是立式圆筒形储罐。本文设计的即为立式圆筒形储罐。立式圆筒形储罐需在现场施工，并且外观及内部结构设计上要经济适用，另外在设计的过程中注意储罐所受的自然环境对储罐的影响，如增强储罐的防风、防雪、抗震等功能。 根据储存介质的要求来进行立式圆筒形储罐的选材，本文中储罐的介质为煤油，罐体采用Q235A钢材 关键词：立式储罐；埋弧焊；手工电弧焊；焊接结构；焊接工艺 Abstract Oil and various liquid chemicals storage equipment - tanks, chemical plant and oil storage and transportation facilities, an important component of the system. As the vertical cylindrical storage tanks need to site construction, which in appearance and structure design to achieve economical and pay attention to the natural environment of the storage tank storage tank suffered the impact of the design process to be enhanced, to reach wind, snow, earthquake, etc. role. This tank wall structure using ladder-type tank wall, tank bottom edge of plate with circular tank bottom set, tank top with dome structure. Storage medium according to the requirements of the selection of vertical cylindrical tanks, the media in this article for the kerosene tank, tank with Q235A steel. According to the construction site environmental requirements and tank steel, body thickness and other parameters can select the appropriate welding methods and welding materials, this paper combined with submerged arc welding and manual arc welding method, the method used to achieve fast and easy and durable. Finally, the iterative experiments on the overall test. This reference pressure vessels, large tanks and other standards, combined with design experience, focusing on the large vertical cylindrical storage tank structural design and welding process design elements. Keywords：Vertical Tank；SAW；Manual metal arc welding 目 录（） 1 绪论 1 1.1 立式圆筒形储罐的发展 1 1.2 Q235A钢材 2 1.3 埋弧焊 2 1.4 手工电弧焊 3 2 立式圆筒形储罐的罐壁设计 4 2.1 储罐的整体设计 4 2.2 储罐的强度